Question 27
How many molecules are in 28 g of CO2?
O 3.5 x 10-21
O 7.42 x 1026
3....
![Chemistry](/tpl/images/cats/himiya.png)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 13:30, ramenbates81
How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:30, cicimarie2018
Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00, foreignking02
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
![image](/tpl/images/cats/himiya.png)
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/User.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.04.2020 21:38